Merge "Integrate system language filtering functionality" (2df94f9b) · Commits · e / os / android_frameworks_base

Android.bp

+1 −0

Original line number	Diff line number	Diff line
		@@ -456,6 +456,7 @@ java_library {

		"com.android.sysprop.apex",
		"com.android.sysprop.init",
		"com.android.sysprop.localization",
		"PlatformProperties",
		],
		sdk_version: "core_platform",

core/java/com/android/internal/app/LocalePicker.java

+63 −1

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@

		package com.android.internal.app;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.app.ActivityManager;
		import android.app.IActivityManager;
		import android.app.ListFragment;
		@@ -28,6 +30,7 @@ import android.os.Bundle;
		import android.os.LocaleList;
		import android.os.RemoteException;
		import android.provider.Settings;
		import android.sysprop.LocalizationProperties;
		import android.util.Log;
		import android.view.LayoutInflater;
		import android.view.View;
		@@ -43,6 +46,9 @@ import java.util.ArrayList;
		import java.util.Collections;
		import java.util.List;
		import java.util.Locale;
		import java.util.function.Predicate;
		import java.util.regex.Pattern;
		import java.util.regex.PatternSyntaxException;

		public class LocalePicker extends ListFragment {
		private static final String TAG = "LocalePicker";
		@@ -92,7 +98,38 @@ public class LocalePicker extends ListFragment {
		}

		public static String[] getSupportedLocales(Context context) {
		return context.getResources().getStringArray(R.array.supported_locales);
		String[] allLocales = context.getResources().getStringArray(R.array.supported_locales);

		Predicate<String> localeFilter = getLocaleFilter();
		if (localeFilter == null) {
		return allLocales;
		}

		List<String> result = new ArrayList<>(allLocales.length);
		for (String locale : allLocales) {
		if (localeFilter.test(locale)) {
		result.add(locale);
		}
		}

		int localeCount = result.size();
		return (localeCount == allLocales.length) ? allLocales
		: result.toArray(new String[localeCount]);
		}

		@Nullable
		private static Predicate<String> getLocaleFilter() {
		try {
		return LocalizationProperties.locale_filter()
		.map(filter -> Pattern.compile(filter).asPredicate())
		.orElse(null);
		} catch (SecurityException e) {
		Log.e(TAG, "Failed to read locale filter.", e);
		} catch (PatternSyntaxException e) {
		Log.e(TAG, "Bad locale filter format (\"" + e.getPattern() + "\"), skipping.");
		}

		return null;
		}

		public static List<LocaleInfo> getAllAssetLocales(Context context, boolean isInDeveloperMode) {
		@@ -265,6 +302,11 @@ public class LocalePicker extends ListFragment {
		*/
		@UnsupportedAppUsage
		public static void updateLocales(LocaleList locales) {
		if (locales != null) {
		locales = removeExcludedLocales(locales);
		}
		// Note: the empty list case is covered by Configuration.setLocales().

		try {
		final IActivityManager am = ActivityManager.getService();
		final Configuration config = am.getConfiguration();
		@@ -280,6 +322,26 @@ public class LocalePicker extends ListFragment {
		}
		}

		@NonNull
		private static LocaleList removeExcludedLocales(@NonNull LocaleList locales) {
		Predicate<String> localeFilter = getLocaleFilter();
		if (localeFilter == null) {
		return locales;
		}

		int localeCount = locales.size();
		ArrayList<Locale> filteredLocales = new ArrayList<>(localeCount);
		for (int i = 0; i < localeCount; ++i) {
		Locale locale = locales.get(i);
		if (localeFilter.test(locale.toString())) {
		filteredLocales.add(locale);
		}
		}

		return (localeCount == filteredLocales.size()) ? locales
		: new LocaleList(filteredLocales.toArray(new Locale[0]));
		}

		/**
		* Get the locale list.
		*

core/sysprop/Android.bp

0 → 100644

+21 −0

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		// Copyright (C) 2020 The Android Open Source Project
		//
		// Licensed under the Apache License, Version 2.0 (the "License");
		// you may not use this file except in compliance with the License.
		// You may obtain a copy of the License at
		//
		// http://www.apache.org/licenses/LICENSE-2.0
		//
		// Unless required by applicable law or agreed to in writing, software
		// distributed under the License is distributed on an "AS IS" BASIS,
		// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		// See the License for the specific language governing permissions and
		// limitations under the License.

		sysprop_library {
		name: "com.android.sysprop.localization",
		srcs: ["LocalizationProperties.sysprop"],
		property_owner: "Platform",
		api_packages: ["android.sysprop"],
		vendor_available: false,
		}

core/sysprop/LocalizationProperties.sysprop

0 → 100644

+24 −0

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		# Copyright (C) 2020 The Android Open Source Project
		#
		# Licensed under the Apache License, Version 2.0 (the "License");
		# you may not use this file except in compliance with the License.
		# You may obtain a copy of the License at
		#
		# http://www.apache.org/licenses/LICENSE-2.0
		#
		# Unless required by applicable law or agreed to in writing, software
		# distributed under the License is distributed on an "AS IS" BASIS,
		# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		# See the License for the specific language governing permissions and
		# limitations under the License.

		module: "android.sysprop.LocalizationProperties"
		owner: Platform

		prop {
		api_name: "locale_filter"
		type: String
		prop_name: "ro.localization.locale_filter"
		scope: Internal
		access: Readonly
		}

core/sysprop/api/com.android.sysprop.localization-current.txt

0 → 100644

+9 −0

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		props {
		module: "android.sysprop.LocalizationProperties"
		prop {
		api_name: "locale_filter"
		type: String
		scope: Internal
		prop_name: "ro.localization.locale_filter"
		}
		}